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USGS Surface-Water Daily Statistics for Oregon

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 14200000 MOLALLA RIVER NEAR CANBY, OR


Clackamas County, Oregon
Hydrologic Unit Code 17090009
Latitude  45°14'38.1", Longitude 122°41'14.8" NAD83
Drainage area 323  square miles
Gage datum 97.49 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1928-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 2,140 1,940 1,630 2,040 1,300 757 374 102 97 190 815 1,640
2 2,360 1,800 1,710 1,800 1,340 770 337 101 114 195 894 1,740
3 2,230 1,740 1,660 1,610 1,290 804 315 100 103 197 886 1,930
4 2,260 1,720 1,500 1,480 1,270 785 293 99 92 190 918 2,060
5 2,220 1,680 1,450 1,490 1,340 788 272 99 101 207 1,020 1,970
6 2,340 1,880 1,570 1,530 1,370 742 255 96 103 222 933 2,010
7 2,520 1,920 1,650 1,590 1,330 740 241 95 101 213 1,100 2,130
8 2,320 1,820 1,640 1,700 1,240 742 229 93 98 210 1,180 1,860
9 2,260 1,690 1,750 1,660 1,170 799 222 90 94 279 1,210 1,850
10 2,220 1,670 1,810 1,610 1,150 779 214 87 99 341 1,180 1,950
11 2,210 1,630 1,670 1,640 1,140 814 208 85 110 310 1,150 2,080
12 2,250 1,680 1,740 1,560 1,100 725 198 84 111 329 1,240 2,380
13 2,420 1,800 1,770 1,630 1,070 663 188 83 103 303 1,340 2,250
14 2,320 1,680 1,710 1,660 1,100 626 179 83 101 312 1,380 2,240
15 2,570 1,730 1,790 1,590 1,130 614 173 84 111 332 1,560 2,060
16 2,510 1,980 1,880 1,510 1,130 593 167 82 123 378 1,660 1,900
17 2,500 2,080 1,790 1,500 1,130 591 162 81 125 374 1,580 1,850
18 2,710 2,010 1,810 1,470 1,080 580 156 80 149 452 1,600 1,920
19 2,850 2,000 1,830 1,390 1,050 560 150 81 162 440 1,750 2,000
20 2,680 1,790 1,640 1,470 1,040 564 145 84 174 545 1,760 2,500
21 2,600 1,690 1,640 1,500 1,010 534 139 88 166 556 1,440 2,840
22 2,310 1,810 1,700 1,400 986 484 135 87 152 628 1,530 3,050
23 2,280 1,700 1,660 1,340 952 456 129 93 147 652 1,770 2,730
24 2,330 1,620 1,710 1,380 906 437 125 96 159 641 1,910 2,420
25 2,370 1,720 1,760 1,370 880 440 121 111 151 579 1,830 2,150
26 2,220 1,690 1,720 1,340 885 431 118 118 149 556 1,820 2,120
27 2,210 1,640 1,740 1,330 886 414 117 123 146 515 2,030 2,390
28 2,370 1,710 1,790 1,320 879 408 117 115 163 585 1,790 2,500
29 2,160 2,440 1,910 1,300 868 442 114 105 179 679 1,740 2,500
30 2,070   1,950 1,270 842 425 109 99 193 689 1,580 2,510
31 1,970   2,110   786   106 97   693   2,390